@charset "UTF-8";
/**
 * 
 * @authors garyzyz (zhouyouzhao@yeah.net)
 * @date    2016-11-30 00:21:59
 * @version $Id$
 */
.border-bottom-1px(@color){
  position: relative;
  &::after{
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    border-bottom: 1px solid @color;
    content: "";
  }
}
.bg-img(@url; @ext){
  background-image: url('@{url}@2x.@{ext}');
  @media (-webkit-min-device-piexl-ratio: 3),(min-device-piexl-ratio: 3){
    background-image: url('@{url}@3x.@{ext}');
  }
}
